CN112705782B

CN112705782B - Rear end clamp structure of pipe cutting machine

Info

Publication number: CN112705782B
Application number: CN202011538997.8A
Authority: CN
Inventors: 黄红剑; 郑长和; 陈大建
Original assignee: Zhejiang Jiatai Laser Technology Co ltd
Current assignee: Zhejiang Jiatai Laser Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2022-05-13
Anticipated expiration: 2040-12-23
Also published as: CN112705782A

Abstract

The invention discloses a rear end clamp structure of a pipe cutting machine, which comprises a rear clamping seat, a rear clamping disc and a plurality of rear clamping blocks which are arranged on the rear clamping disc in a sliding manner, wherein a driving disc is rotatably arranged on the end surface of one end, opposite to the rear rotating disc, of the rear clamping disc, a driving device for driving the driving disc to rotate is arranged on the rear rotating disc, a plurality of sliding grooves are formed in one end, opposite to the driving disc, of the rear clamping block, the plurality of rear clamping blocks are arranged in the sliding grooves in a one-to-one sliding manner, a driving rod is fixed at one end, opposite to the rear clamping disc, of the rear clamping block, the driving rod penetrates through the rear clamping disc, a driving groove is formed in the end surface, opposite to the rear clamping disc, of the driving disc, and the driving rod extends into the driving groove. The rear end clamp structure of the pipe cutting machine greatly reduces the occupied space of the clamp in a mode of driving the rear clamping block by the driving disc on the rear chuck.

Description

Rear end clamp structure of pipe cutting machine

Technical Field

The invention relates to a clamp structure, in particular to a rear-end clamp structure of a pipe cutting machine.

Background

The pipe cutting machine is a cutting machine comparatively commonly used at present, through the effect of this cutting machine, alright realize cutting to tubular product, and the structure of current cutting machine is including cutting platform, the gliding cutting head and the cutting anchor clamps of setting on cutting platform, utilizes the one end of cutting anchor clamps cliping tubular product at the in-process of cutting, then cuts through the cutting head.

The structure of current cutting jig generally includes circular shape anchor clamps carousel, set up a plurality of chucks on the anchor clamps carousel, a plurality of chucks can slide on the anchor clamps carousel, with this tip of carrying tubular product of realization, the drive structure to the chuck among the prior art generally all is the mode of adopting the cylinder, install quantity and the cylinder of chuck one-to-one promptly in the quotation of anchor clamps carousel, then promote the mode that the chuck slided through the cylinder and realize carrying and release the action, so can be because the cylinder will occupy the length great, lead to the problem of the area grow of anchor clamps carousel, make the cutting machine not possess the economic nature.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the rear end clamp structure of the pipe cutting machine, which is small in occupied area of a cylinder and high in economical efficiency.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pipe cutting machine rear end anchor clamps structure, includes back holder, back (holding) chuck and can the gliding a plurality of back clamp splice that sets up on the (holding) chuck of back, the rotatable back carousel that is equipped with on the back holder, back (holding) chuck is fixed on the carousel of back, constitutes cylindric structure each other, back (holding) chuck is rotatable to be equipped with the driving-disc on the one end terminal surface of back carousel, be equipped with on the back carousel and be used for driving-disc pivoted drive arrangement, back (holding) chuck is served to one of driving-disc dorsad and has been seted up a plurality of spout, and a plurality of back clamp splice one-to-one can gliding setting in the spout, back clamp splice is fixed with the actuating lever for the one end of back (holding) chuck, the actuating lever passes back (holding) chuck, the driving-disc has seted up the drive groove on the terminal surface of back (holding) chuck, the actuating lever stretches into in the drive groove.

As a further improvement of the invention, the driving groove is arc-shaped, one end of the driving groove is close to the circumference of the driving disc, and the other end of the driving groove is close to the center of the circle of the driving disc.

As a further improvement of the invention, the driving device is a driving cylinder, a connecting column is fixed at the position of the circle center of the rear turntable, the driving disc comprises a fixed disc and a movable disc, the fixed disc is coaxially fixed on the connecting column, the movable disc is rotatably arranged on the end surface of the fixed disc, a driving groove is formed in the movable disc, the rear chuck is coaxially fixed on the connecting column, an arc-shaped hole is formed in the fixed disc, a linkage rod is connected to a pushing rod of the driving cylinder, and the linkage rod penetrates through the arc-shaped hole and then is connected with the movable disc.

As a further improvement of the invention, the rear clamping block comprises a central column and four movable rods, one end of the central column is fixed on the rear clamping plate, a cross-shaped groove is formed in the central column, the four movable rods are slidably arranged in the cross-shaped groove in a one-to-one correspondence manner, the driving rod is fixed at one end of the movable rod facing the rear clamping plate, a clamping piece is fixed at one end of the movable rod opposite to the driving rod, the clamping piece is provided with a clamping edge, and the clamping edge is arranged at a position of the clamping piece facing the center of the central column.

As a further improvement of the invention, the central column is formed by combining four unit columns, the four unit columns are arranged on the rear chuck at intervals to form a cross-shaped groove, the unit columns are in a quarter-cylinder shape, the arc surfaces of the unit columns are arranged in a hollow manner, and the circle center angles of one ends of the unit columns, which are back to the rear chuck, are connected through a cross-shaped connecting sheet.

As a further improvement of the invention, the end face of the movable rod is trapezoidal, and one side of the short side faces the center of the cross-shaped connecting sheet.

The pipe clamping device has the advantages that the pipe clamping effect can be effectively realized through the arrangement of the rear clamping seat, the rear chuck and the rear clamping blocks, the pipe can be clamped or released through the rotation of the driving disc to drive the rear clamping blocks to slide through the rotation of the driving disc by utilizing the matching of the driving groove on the driving disc and the driving rod through the arrangement of the driving disc, and therefore, compared with the mode of directly pushing by using the air cylinder in the prior art, the pipe clamping device greatly reduces the occupation of space.

Drawings

FIG. 1 is an overall view of the rear end fixture structure of the discharge cutting machine of the present invention;

FIG. 2 is an internal structural view of FIG. 1;

fig. 3 is a schematic view of a part of the driving disk in fig. 2.

Detailed Description

The invention will be described in more detail with reference to the following examples, which are given by way of illustration.

Referring to fig. 1 to 3, the rear end clamp structure of a pipe cutting machine according to this embodiment includes a rear clamping seat 1, a rear chuck 2, and a plurality of rear clamping blocks 3 slidably disposed on the rear chuck 2, the rear clamping seat 1 is rotatably provided with a rear turntable 4, the rear chuck 2 is fixed on the rear turntable 4, and cylindrical structures are formed therebetween, a driving disc 5 is rotatably disposed on an end surface of the rear chuck 2 opposite to the rear turntable 4, a driving device 6 for driving the driving disc 5 to rotate is disposed on the rear turntable 4, a plurality of sliding slots are disposed on an end of the rear chuck 2 opposite to the driving disc 5, the plurality of rear clamping blocks 3 are slidably disposed in the sliding slots one by one, a driving rod 34 is fixed on one end of the rear clamping block 3 opposite to the rear chuck 2, the driving rod 34 penetrates through the rear chuck 2, a driving groove is disposed on an end surface of the driving disc 5 opposite to the rear chuck 2, the driving rod 34 extends into the driving groove, in the process of using the clamp structure of the embodiment, firstly, the whole clamp structure is installed on a pipe cutting machine, then the cutting machine is started, so the driving device 6 can act to drive the rear clamping block 3 to slide on the rear clamping block 2, so as to clamp the pipe, in the process of sliding the rear clamping block 3, the driving device 6 drives the driving disc 5 to rotate, then the driving groove on the driving disc 5 is matched with the driving rod 34, the effect of driving the rear clamping block 3 to slide back and forth on the rear clamping block 2 is realized, so compared with the mode of adopting a cylinder to push in the prior art, the driving device 6 can be arranged into a motor with a smaller volume, or a cylinder lying horizontally, and therefore, the occupation of the space can be greatly reduced.

As an improved specific implementation manner, the driving groove is arc-shaped, one end of the driving groove is close to the circumferential edge of the driving disc 5, and the other end of the driving groove is close to the circle center of the driving disc 5.

As an improved specific embodiment, the driving device 6 is a driving cylinder, the connecting column 41 is fixed at the position of the center of the circle of the rear turntable 4, the driving disc 5 includes a fixed disc 51 and a movable disc 52, the fixed disc 51 is coaxially fixed on the connecting column 41, the movable disc 52 is rotatably arranged on the end surface of the fixed disc 51, the driving groove is formed on the movable disc 52, the rear chuck 2 is coaxially fixed on the connecting column 41, the fixed disc 51 is provided with an arc-shaped hole, the pushing rod of the driving cylinder is connected with a linkage rod 61, the linkage rod 61 passes through the arc-shaped hole and then is connected with the movable disc 52, through the arrangement of the above structure, the driving cylinder placed horizontally can be effectively used for driving the driving disc 5 to rotate, compared with the mode of adopting a motor, the stroke distance is more accurate, the operation process is more stable and reliable, wherein the movable disc 52 of this embodiment adopts the arrangement of two discs, one driving cylinder controls one disc, so that a large enough travel range is provided, and the phenomenon of frame hitting is avoided.

As an improved specific embodiment, the rear clamping block 3 includes a central column 31 and four movable rods 32, one end of the central column 31 is fixed on the rear chuck 2, a cross-shaped groove is formed in the central column 31, the four movable rods 32 are arranged in the cross-shaped groove in a one-to-one correspondence manner, the driving rod 34 is fixed at one end of the movable rod 32 facing the rear chuck 2, a clamping piece 33 is fixed at one end of the movable rod 32 facing away from the driving rod 34, the clamping piece 33 is provided with a clamping edge, and the clamping edge is arranged at the position of the clamping piece 33 facing the center of the central column 31.

As an improved specific embodiment, the central column 31 is formed by combining four unit columns, four unit columns are arranged on the rear chuck 2 at intervals to form a cross-shaped groove, the unit columns are in a quarter-cylinder shape, the arc surfaces of the unit columns are arranged in a hollow manner, the center angles of one ends of the unit columns, which face away from the rear chuck 2, are connected through a cross-shaped connecting piece, and through the arrangement of the structure, materials can be effectively saved, and the cost is reduced.

As a modified specific implementation mode, the end face of the movable rod 32 is trapezoidal, and one side of the short side is arranged towards the center of the cross-shaped connecting piece, so that the rod face of the movable rod 32 and the cross-shaped connecting piece can be better adapted, and the activity of the movable rod 32 is more stable and reliable.

In summary, the rear clamp structure of the present embodiment, through the arrangement of the driving disc 5 on the rear chuck 2, can effectively realize the back-and-forth sliding of the rear clamping block 3 through the cooperation of the driving groove and the driving rod 34, and further realize the effect of clamping or releasing the pipe.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a pipe cutting machine rear end anchor clamps structure, includes back holder (1), back (holding) chuck (2) and can the gliding a plurality of back clamp splice (3) of setting on back (holding) chuck (2), rotatable back carousel (4) of being equipped with on back holder (1), back (holding) chuck (2) are fixed on back carousel (4), constitute cylindric structure, its characterized in that each other: the end face, opposite to the rear turntable (4), of the rear chuck (2) is rotatably provided with a driving disc (5), the rear turntable (4) is provided with a driving device (6) for driving the driving disc (5) to rotate, one end, opposite to the driving disc (5), of the rear chuck (2) is provided with a plurality of sliding grooves, a plurality of rear clamping blocks (3) are arranged in the sliding grooves in a one-to-one sliding mode, one ends, opposite to the rear chuck (2), of the rear clamping blocks (3) are fixedly provided with driving rods (34), the driving rods (34) penetrate through the rear chuck (2), the end face, opposite to the rear chuck (2), of the driving disc (5) is provided with driving grooves, and the driving rods (34) extend into the driving grooves; the driving groove is arc-shaped, one end of the driving groove is close to the circumferential edge of the driving disc (5), and the other end of the driving groove is close to the circle center of the driving disc (5); the driving device (6) is a driving cylinder, a connecting column (41) is fixed at the position of the circle center of the rear turntable (4), the driving disc (5) comprises a fixed disc (51) and a movable disc (52), the fixed disc (51) is coaxially fixed on the connecting column (41), the movable disc (52) is rotatably arranged on the end surface of the fixed disc (51), a driving groove is formed in the movable disc (52), the rear chuck (2) is coaxially fixed on the connecting column (41), an arc-shaped hole is formed in the fixed disc (51), a linkage rod (61) is connected to a pushing rod of the driving cylinder, and the linkage rod (61) penetrates through the arc-shaped hole and then is connected with the movable disc (52); the rear clamping block (3) comprises a central column (31) and four movable rods (32), one end of the central column (31) is fixed on the rear chuck (2), a cross-shaped groove is formed in the central column (31), the four movable rods (32) are arranged in the cross-shaped groove in a one-to-one correspondence sliding manner, the driving rod (34) is fixed at one end, facing the rear chuck (2), of each movable rod (32), clamping pieces (33) are fixed at one end, facing away from the driving rod (34), of each movable rod (32), each clamping piece (33) is provided with a clamping edge, and each clamping edge is arranged at the position, facing the center of the central column (31), of each clamping piece (33); center post (31) is formed by four unit post combinations, four unit post mutual interval sets up on back (holding) chuck (2) to constitute cross-shaped groove, unit post is the quarter cylindricly, and its arc surface is the fretwork setting, the centre of a circle angle department of the one end of back (holding) chuck (2) is connected through a cross connection piece dorsad to unit post.

2. The pipe cutting machine rear end clamp structure according to claim 1, characterized in that: the end face of the movable rod (32) is trapezoidal, and one side of the short edge is arranged towards the center of the cross-shaped connecting piece.